FREETOWN, Sept 5 (Reuters) – Sierra Leone will impose a four-day, countrywide “lockdown” starting Sept. 18, an escalation of efforts to halt the spread of Ebola across the West African country, a senior official in the president’s office said on Friday.

Source: http://feeds.reuters.com/~r/reuters/AfricaNigeriaNews/~3/IuJIieHNbEA/idAFL5N0R64K320140905